<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>姓名案例_插值语法</title>
    <script src="../vue.js"></script>
</head>

<body>
    <div id="root">
        姓：<input type="text" v-model="firstName"><br><br>
        名：<input type="text" v-model="lastName"><br><br>
        姓名：<span>{{firstName}}-{{lastName}}</span>
    </div>
    <script>
        Vue.config.productionTip=false;
        new Vue({ 
            el: '#root',
            data: {
                firstName:'黑',
                lastName:'三'
            }
        })
    </script>
</body>

</html>